Home / 49,879.13-74,852.61-20,302.35

Finding the Fourth Proportional to 49,879.13, 74,852.61 and 20,302.35

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Solution

The fourth proportional to 49,879.13, 74,852.61 and 20,302.35 is: 30,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,879.13 : 74,852.61 = 20,302.35 : x
  2. Step 2: Convert to fraction form
    49,879.13/74,852.61 = 20,302.35/x
  3. Step 3: Cross multiply
    49,879.13x = 74,852.61 × 20,302.35
  4. Step 4: Simplify right side
    49,879.13x = 1,519,683,529.80
  5. Step 5: Solve for x
    x = 1,519,683,529.80/49,879.13
  6. Step 6: Final answer
    x = 30,467.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.